Finding the Fourth Proportional to 12,155,653.60, 18,234,578.72 and 3,519,628

Step by Step Solution

1. Step 1: Write the proportion equation
   12,155,653.60 : 18,234,578.72 = 3,519,628 : x
2. Step 2: Convert to fraction form
   12,155,653.60/18,234,578.72 = 3,519,628/x
3. Step 3: Cross multiply
   12,155,653.60x = 18,234,578.72 × 3,519,628
4. Step 4: Simplify right side
   12,155,653.60x = 64,178,933,831,116.16
5. Step 5: Solve for x
   x = 64,178,933,831,116.16/12,155,653.60
6. Step 6: Final answer
   x = 5,279,760.01